"The Avengers" DVD hit stores on Tuesday, so fans of the smash-hit superhero movie can revel in its epic-ness as many times as they want. But before popping in that disc, take a glance at these photos of the film's cast.

Take Mark Ruffalo, for example. Before he was Hulking out as Dr. Bruce Banner, he was just another mortal, posing for his yearbook photo:

Ruffalo is still recognizable, if only for his luscious hair. Here's how he's turned out:

But Ruffalo isn't the only superhero to be uncovered. Can you guess who this young lady grew up to be?

That's right, that young Scarlett Johansson turned out to make quite a convincing Black Widow: